This doesn’t make sense to me. I have been studying Portuguêse for 4.5 years and been to Brasil 14 times but it seems like a secret code to me. I translate most everything and many words have so how do I choose the right meanings?multiple meanings

This doesn’t make sense to me. I have been studying Portuguêse for 4.5 years and been to Brasil 14 times but it seems like a secret code to me. I translate most everything and many words have so how do I choose the right meanings?multiple meanings